any tip of vpn 3008 remote access configuration,I configured it but it's given error (Reason 412 the remote peer is not longer responding but there is no firewall,just trying it without firewall before puting behing firewall.
If the remote clients are connecting over patting device then NAT-T need to be enabled on concentrator. What version of VPN client you are using? Can you provide logs from teh VPN client set to debug level(3). Did you tried with multiple machines? What is the OS?
Table of ContentsIntroductionVersion HistoryPossible Future
UpdatesDocuments PurposeNAT Operation in ASA 8.3+ SectionsRule Types
Network Object NATTwice NAT / Manual NATRule Types used per SectionNAT
Types used with Twice NAT / Manual NAT and Network Obje...
Table of Contents Introduction:This document describes details on how
NAT-T works. Background: ESP encrypts all critical information,
encapsulating the entire inner TCP/UDP datagram within an ESP header.
ESP is an IP protocol in the same sense that TCP an...